package pta;

import java.util.Scanner;

public class java7_1 {

public static void main(String[] args) {

	Scanner input = new Scanner (System.in);
	while(input.hasNext()){
	
	int a = input.nextInt();
	int b = input.nextInt();

	if(a<=1000)
		System.out.println(a+b);
	else
		System.out.println("a<=1000");
	}

}
}